Clay County National Bank Address: 624 W Crawford St, Clay Center, KS 67432 Phone: (785) 632-6720 Banks, Mortgages, Loans Other Businesses: United Bank & Trust at 726 W Crawford St, Clay Center, KS 67432 Union State Bank at 508 Dexter St, Clay Center, KS 67432 Union State Bank at 701 5th St, Clay Center, KS 67432 Voice Banking at 701 5th St, Clay Center, KS 67432